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Notable 2013 Death: Elvis the Calculus Dog

July 2013 brought the death, at age 13, of Elvis, a Welsh corgi famous for doing calculus.

Elvis first garnered public attention in 2003, when his human companion, mathematician Timothy Pennings, published an article in the College Mathematics Journal (CMJ) explaining how the dog apparently solved a calculus problem each time he fetched a ball thrown from a sandy beach into the water. A follow-up paper—"Do Dogs Know Bifurcations?"—won the Pólya Award in 2008.